This topic contains a solution. Click here to go to the answer

Author Question: Of the following correlation coefficients, the one with the poorest predictive value is A) 0.90. ... (Read 25 times)

rlane42

  • Hero Member
  • *****
  • Posts: 594
Of the following correlation coefficients, the one with the poorest predictive value is
 
  A) 0.90.
  B) 0.12.
  C) -0.52.
  D) -1.00.

Question 2

The standard deviation of scores for a sample of children is 16, and the arithmetic mean is 100. The distribution of scores is a normal distribution. This means that approximately 34 of the cases will have scores between
 
  A) 92 and 108.
  B) 84 and 116.
  C) 84 and 100.
  D) 100 and 132.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

amy.lauersdorf90

  • Sr. Member
  • ****
  • Posts: 327
Answer to Question 1

B

Answer to Question 2

C





 

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

For a complete list of videos, visit our video library